Question

Calcule $\frac{8-2i}{4-2i}$

Answer 1

(8-2i)/(4-2i)

(8-2i)(4+2i) / (4-2i)(4+2i)

32 + 16i -8i -4i² / 16 +8i -8i -4i²

32 + 8i +4 / 16 +4

36 + 8i / 20

18 + 4i / 10

9 + 2i / 5

9/5 + 2i/5